The FlatOut™ Performance Guarantee

If you have a flat tire caused by a puncture after installing FlatOut™ by MULTI SEAL®, we will provide you with free product to treat your replaced or repaired tire(s).


If you are not satisfied with FlatOut™ by MULTI SEAL® and want to exercise the performance guarantee, please follow these instructions:

  1. Do not return the FlatOut™ to your retailer or to Amazon
  2. Please call us at 1-800-577-3353 or email us at to arrange for us to send you a replacement container of FlatOut™ per the guarantee 
  3. Supply proof of purchase and photo of 1) the tire sidewall with tire brand and size and 2) the puncture and puncturing object
  4. Shipping/mailing costs are the responsibility of the claimant. 


 The following are excluded from the performance guarantee:

1.      Passenger vehicle tires or light duty truck/SUV tires

2.     Tires with less than a remaining tread depth of three/thirty seconds of an inch (3/32”)

3.      Punctures and or tears in the sidewall

4.      Dry rotted/weather checked tires

5.      Punctures caused by objects greater than ½” in diameter when treating your tires with FlatOut™ Outdoor Power Equipment Formula, FlatOut™ Sportsman Formula, FlatOut™ Trailer Formula, FlatOut™ Multi Purpose Formula, FlatOut™ QuickStrike™ On Road Formula and FlatOut™ QuickStrike™ Off-Road Formula 

6.      Punctures caused by objects greater than ¼’’ in diameter when treating your tires with FlatOut™ QuickStrike™ Small Tire Formula. 

7.      Misapplication of the FlatOut™ product

8.      Cuts or tears of the tire casing or tube